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  1. PhilSham

    A flow rate question?

    Thanks for all the info, i had left some of the basics out of the sketch, their is an expansion drum on the line and is a coolant not water that will be running through it. High points of the pipework will have air bleeders installed and we will have a valve at each side of the heat exchanger to...
  2. PhilSham

    A flow rate question?

    Hi guys, thanks for the info, it's the 3H units that are being used. I drew up a quick sketch of the planned arrangement, pump would be fitted on the start of the feed line. LittleInch and georgeverghese, i would say your guys are right, it would be 5 times the requirement plus 10% allowance to...
  3. PhilSham

    A flow rate question?

    Hi all, I'm trying to work out the flow rate for a pump to heat a chicken house. The farmer has already laid pipe and wants to size a pump. Its a two pipe system, feed and return with 5 water to air heat exchangers Link. He appears to have the first two in parallel, the next two in parallel and...
  4. PhilSham

    Pump sizing question for heating jacket.

    Thanks for the info guys, I've been told that the pump will need to supply 10 Cubes, i know that the laterals will not all evenly receive this, the middle ones might get 1/16 of the flow while the bottom ones will get more and the top ones will get less. That is just the nature of the system i...
  5. PhilSham

    Pump sizing question for heating jacket.

    Hi All, Hope someone can help me, i'm trying to size a pump for a heating jacket of a closed loop system (Flow 10 Meters cubed per hour). The loop would go as follows, Hot water supply (DN50 Pipe) - Pump - Manifold to 16 lateral pipes - Return manifold - Hot water return. My fluid dynamics is...

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